var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var restify = require('express-restify-mongoose');
var hbs = require('hbs');

var routes = require('./routes/index');
var users = require('./routes/users');
var absenteeismModel = require('./models/absenteeism');

var config = require('./config');

var app = express();
var router = express.Router();

// view engine setup
app.set('views', path.join(__dirname, './views'));
//app.set('view engine', 'jade');
app.set('view engine', 'html');
app.engine('html',hbs.__express);//设置模版引擎

// uncomment after placing your favicon in /public
app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

mongoose.connect(config.mongodb);

//设置中间件，运行Html上Javascript脚本进行跨域访问
app.use(function(req,res,next){
  res.setHeader('Access-Control-Allow-Origin','*');
  res.setHeader("Access-Control-Allow-Headers","Origin, X-Requested-With, Content-Type, Accept");
  res.setHeader('Access-Control-Allow-Methods','GET,POST,PUT,DELETE');
  next();
});


restify.serve(router,absenteeismModel);
app.use('/', routes);
app.use('/users', users);
app.use(router);





// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;
